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© Research
Publication : Journal of immunology (Baltimore, Md. : 1950)

Characterization of B lymphocytes present in the demyelinating lesions induced by Theiler’s virus

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Journal of immunology (Baltimore, Md. : 1950) - 01 Aug 1989

Cash E, Bandeira A, Chirinian S, Brahic M

Link to Pubmed [PMID] – 2545781

J. Immunol. 1989 Aug;143(3):984-8

Theiler’s virus, a murine picornavirus, persists in the central nervous system of SJL/J mice and causes inflammation and demyelination in the white matter of spinal cord. We isolated inflammatory cells from the central nervous system of infected animals and studied their functions in vitro. Flow microfluorimetry analysis showed the presence of all major lymphocyte subsets, namely CD4+ and CD8+ T cells as well as B lymphocytes. B lymphocytes were activated in vitro and the antigenic specificity of secreted Ig was determined by immunoblotting. Secreted Ig reacted strongly with viral capsid proteins VP1 and VP2 and had neutralizing activity. They reacted also with two nonviral white matter components which were present only in infected animals. Therefore, it is likely that Igs secreted at the site of infection play a role in limiting virus spread. It is also possible that virus induced autoreactive antibodies participate in demyelination.

http://www.ncbi.nlm.nih.gov/pubmed/2545781